配方类型:

INKS

配方说明:

Blue-Black Writing Ink

配方组成:

Tannic acid/19.5
Phenol/1.0
Sulfuric acid (1.84)/3.0
C.I. Acid blue 27/3.0
Gallic acid/6.4
Water to make/1000.0
Ferrous sulfate/25.0

配制方法: